Moves rebar3_hex setup from rebar.config to separate script

Due to rebar3_hex does not support config from rebar.config

.travis.yml

@@ -18,7 +18,7 @@ after_success:
 
 deploy:
   provider: script
-  script: rebar3 do hex publish, hex docs
+  script: bash scripts/publish.sh
   on:
     tags: true
 

rebar.config

@@ -9,15 +9,11 @@
 
 {eunit_compile_opts, [export_all]}.
 
-{plugins, [coveralls, covertool, rebar3_hex]}.
-
 {edoc_opts, [
     {overview, "overview.edoc"}
 ]}.
 
-{hex, [
-    {username, <<"tank_bohr">>}
-]}.
+{plugins, [coveralls, covertool]}.
 
 %% coveralls
 {cover_enabled, true}.

rebar.config.script

@@ -2,13 +2,7 @@ case os:getenv("TRAVIS") of
     "true" ->
         %% Adjust coverall config
         JobId = os:getenv("TRAVIS_JOB_ID"),
-        CoverallesdConfig = lists:keystore(coveralls_service_job_id, 1,
-            CONFIG, {coveralls_service_job_id, JobId}),
-        %% hex.pm api key addition
-        HexApiKey = os:getenv("HEX_API_KEY"),
-        {hex, Hex} = lists:keyfind(hex, 1, CONFIG),
-        NewHex = [{key, HexApiKey} | Hex],
-        lists:keyreplace(hex, 1, CoverallesdConfig, {hex, NewHex});
+        lists:keystore(coveralls_service_job_id, 1, CONFIG, {coveralls_service_job_id, JobId});
     _ ->
         CONFIG
 end.

scripts/publish.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+# The script was taken from http://blog.erlware.org/automatic-hex-package-publishing-with-travis-ci/
+
+## Setup hex user
+mkdir -p ~/.hex
+echo '{username,<<"'${HEX_USERNAME}'">>}.' > ~/.hex/hex.config
+echo '{key,<<"'${HEX_KEY}'">>}.' >> ~/.hex/hex.config
+
+## Add the rebar3 hex plugin to global
+mkdir -p ~/.config/rebar3
+echo '{plugins, [rebar3_hex]}.' > ~/.config/rebar3/rebar.config
+
+rebar3 hex publish <<EOF
+y
+EOF

src/bookish_spork.app.src

@@ -1,6 +1,6 @@
 {application, bookish_spork,
  [{description, "Library for stubbing and setting expectations on HTTP requests in Erlang"},
-  {vsn, "0.2.2"},
+  {vsn,"git"},
   {registered, []},
   {applications,
    [kernel,